Indoor masking for vaccinated people is back, but depends on your area.
People living in counties with significant levels of COVID transmission, which amounts to two-thirds of all US counties, should resume masking.
Here’s what you need to know about the pandemic this week.
The benefits still overwhelmingly outweigh the risks, experts stress.
The Delta variant poses new challenges for countries, vaccinated or not.
The Delta variant is causing flare ups in a country that previous had COVID under control.
COVID poses a vastly bigger threat to your heart than the vaccine.
Asymptomatic breakthrough infections may be more common than we think — and that’s okay.
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